Implementing 3-Switch XOR Ladder Logic with Internal Bit
Implement a 3-SPST switch XOR light circuit in LogixPro or RSLogix 500 using an internal relay bit. Includes truth tables, boolean equations, and verified.
Engineered to deliver high-integrity mechanical and environmental shielding, the Bently Nevada 31000-00-00-15-000-01-02 serves as a robust protective enclosure for proximity transmitter modules. This heavy-duty housing is specifically designed to isolate delicate field instrumentation from extreme temperatures, corrosive elements, and high-vibration exposure common in demanding industrial environments. Constructed from cast copper-free aluminum, the assembly ensures the long-term operational reliability of 3300 XL and 7200 series Proximitor sensors in hazardous locations.
| Parameter | Specification Value |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number | 31000-00-00-15-000-01-02 |
| Housing Category | Explosion-Proof / Weatherproof Proximitor Housing |
| Enclosure Material | Cast copper-free aluminum alloy |
| Environmental Rating | IP66 / NEMA 4X equivalent (with certified seals) |
| Internal Capacity | Supports up to one standard 3300 XL or 7200 Proximitor Sensor |
| Country of Origin | United States |
| Shipping Weight (Calculated) | 2.85 kg (6.28 lbs) |
| Package Dimensions (Calculated) | 240 mm x 205 mm x 180 mm |
The 31000 series housing maintains physical interchangeability with legacy 32000 series housings. When transitioning older 7200 series installations to modern 3300 XL 8mm proximity systems, the internal mounting plate must be aligned to ensure proper grounding separation and spacing from the housing’s metal wall to avoid crosstalk or mechanical interference.
Condensation buildup is a frequent failure point inside sealed housings when exposed to cyclic thermal conditions. For optimal service life, install approved, explosion-proof breathers/drains in the lowest conduit entry point to allow continuous moisture escape without compromising the enclosure’s safety class.
To prevent common-mode noise on the transducer signals, verify that the housing is electrically bonded to the machine ground system. Ensure that the internal grounding lug is linked to the cable shield drain wire, keeping shield grounding restricted to a single point (typically the monitoring rack) to eliminate ground loop interference.
CRITICAL WARNING
Do not open the housing cover while the electrical circuits are energized in hazardous atmospheres. Isolate power at the source and confirm explosive gas metrics are safe before attempting installation, maintenance, or calibration adjustments.
Global Express Shipping
Returns & Warranty



Engineered to deliver high-integrity mechanical and environmental shielding, the Bently Nevada 31000-00-00-15-000-01-02 serves as a robust protective enclosure for proximity transmitter modules. This heavy-duty housing is specifically designed to isolate delicate field instrumentation from extreme temperatures, corrosive elements, and high-vibration exposure common in demanding industrial environments. Constructed from cast copper-free aluminum, the assembly ensures the long-term operational reliability of 3300 XL and 7200 series Proximitor sensors in hazardous locations.
| Parameter | Specification Value |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number | 31000-00-00-15-000-01-02 |
| Housing Category | Explosion-Proof / Weatherproof Proximitor Housing |
| Enclosure Material | Cast copper-free aluminum alloy |
| Environmental Rating | IP66 / NEMA 4X equivalent (with certified seals) |
| Internal Capacity | Supports up to one standard 3300 XL or 7200 Proximitor Sensor |
| Country of Origin | United States |
| Shipping Weight (Calculated) | 2.85 kg (6.28 lbs) |
| Package Dimensions (Calculated) | 240 mm x 205 mm x 180 mm |
The 31000 series housing maintains physical interchangeability with legacy 32000 series housings. When transitioning older 7200 series installations to modern 3300 XL 8mm proximity systems, the internal mounting plate must be aligned to ensure proper grounding separation and spacing from the housing’s metal wall to avoid crosstalk or mechanical interference.
Condensation buildup is a frequent failure point inside sealed housings when exposed to cyclic thermal conditions. For optimal service life, install approved, explosion-proof breathers/drains in the lowest conduit entry point to allow continuous moisture escape without compromising the enclosure’s safety class.
To prevent common-mode noise on the transducer signals, verify that the housing is electrically bonded to the machine ground system. Ensure that the internal grounding lug is linked to the cable shield drain wire, keeping shield grounding restricted to a single point (typically the monitoring rack) to eliminate ground loop interference.
CRITICAL WARNING
Do not open the housing cover while the electrical circuits are energized in hazardous atmospheres. Isolate power at the source and confirm explosive gas metrics are safe before attempting installation, maintenance, or calibration adjustments.
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
United States
|